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From: Ajit Khaparde <ajit.khaparde@broadcom.com>
To: dev@dpdk.org
Cc: ferruh.yigit@intel.com
Subject: [dpdk-dev] [PATCH v2 04/15] net/bnxt: handle Rx multi queue creation properly
Date: Tue, 24 Oct 2017 16:19:42 -0500	[thread overview]
Message-ID: <20171024211953.12021-5-ajit.khaparde@broadcom.com> (raw)
In-Reply-To: <20171024211953.12021-1-ajit.khaparde@broadcom.com>

This patch simplifies logic for RSS queue creation.
1) Do not hardcode number of VNIC pools in case of RSS
2) Log a message if Number of queues is > RTE_ETHDEV_QUEUE_STAT_CNTRS
3) Move the check for allocation of l2_filter inside the for loop.

Fixes: 6133f207970c ("net/bnxt: add Rx queue create/destroy")

Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
---
 drivers/net/bnxt/bnxt_ethdev.c |  5 +++++
 drivers/net/bnxt/bnxt_rxq.c    | 18 ++++++------------
 2 files changed, 11 insertions(+), 12 deletions(-)

diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
index 8419f8bfd..786e41c9d 100644
--- a/drivers/net/bnxt/bnxt_ethdev.c
+++ b/drivers/net/bnxt/bnxt_ethdev.c
@@ -574,6 +574,11 @@ static int bnxt_dev_start_op(struct rte_eth_dev *eth_dev)
 	int vlan_mask = 0;
 	int rc;
 
+	if (bp->rx_cp_nr_rings > RTE_ETHDEV_QUEUE_STAT_CNTRS) {
+		RTE_LOG(ERR, PMD,
+			"RxQ cnt %d > CONFIG_RTE_ETHDEV_QUEUE_STAT_CNTRS %d\n",
+			bp->rx_cp_nr_rings, RTE_ETHDEV_QUEUE_STAT_CNTRS);
+	}
 	bp->dev_stopped = 0;
 
 	rc = bnxt_init_nic(bp);
diff --git a/drivers/net/bnxt/bnxt_rxq.c b/drivers/net/bnxt/bnxt_rxq.c
index f2389515d..a2fa7e40f 100644
--- a/drivers/net/bnxt/bnxt_rxq.c
+++ b/drivers/net/bnxt/bnxt_rxq.c
@@ -68,7 +68,6 @@ int bnxt_mq_rx_configure(struct bnxt *bp)
 	struct bnxt_filter_info *filter;
 	enum rte_eth_nb_pools pools = bp->rx_cp_nr_rings, max_pools = 0;
 	struct bnxt_rx_queue *rxq;
-	bool rss_dflt_cr = false;
 
 	bp->nr_vnics = 0;
 
@@ -119,7 +118,7 @@ int bnxt_mq_rx_configure(struct bnxt *bp)
 				pools = max_pools;
 			break;
 		case ETH_MQ_RX_RSS:
-			pools = 1;
+			pools = bp->rx_cp_nr_rings;
 			break;
 		default:
 			RTE_LOG(ERR, PMD, "Unsupported mq_mod %d\n",
@@ -128,13 +127,6 @@ int bnxt_mq_rx_configure(struct bnxt *bp)
 			goto err_out;
 		}
 	}
-	/*
-	 * If MQ RX w/o RSS no need for per VNIC filter.
-	 */
-	if ((dev_conf->rxmode.mq_mode & ETH_MQ_RX_VMDQ_DCB) ||
-	    (bp->rx_cp_nr_rings &&
-	     !(dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS)))
-		rss_dflt_cr = true;
 
 	nb_q_per_grp = bp->rx_cp_nr_rings / pools;
 	start_grp_id = 0;
@@ -151,7 +143,7 @@ int bnxt_mq_rx_configure(struct bnxt *bp)
 		STAILQ_INSERT_TAIL(&bp->ff_pool[i], vnic, next);
 		bp->nr_vnics++;
 
-		for (j = 0, ring_idx = 0; j < nb_q_per_grp; j++, ring_idx++) {
+		for (j = 0; j < nb_q_per_grp; j++, ring_idx++) {
 			rxq = bp->eth_dev->data->rx_queues[ring_idx];
 			rxq->vnic = vnic;
 		}
@@ -166,8 +158,10 @@ int bnxt_mq_rx_configure(struct bnxt *bp)
 		vnic->start_grp_id = start_grp_id;
 		vnic->end_grp_id = end_grp_id;
 
-		if (rss_dflt_cr && i) {
-			vnic->rss_dflt_cr = true;
+		if (i) {
+			if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_VMDQ_DCB ||
+			    !(dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS))
+				vnic->rss_dflt_cr = true;
 			goto skip_filter_allocation;
 		}
 		filter = bnxt_alloc_filter(bp);
-- 
2.13.5 (Apple Git-94)

  parent reply	other threads:[~2017-10-24 21:20 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-12 17:35 [dpdk-dev] [PATCH 0/3] patchset for bnxt PMD Ajit Khaparde
2017-10-12 17:35 ` [dpdk-dev] [PATCH 1/3] net/bnxt: handle Rx multi queue creation properly Ajit Khaparde
2017-10-12 17:35 ` [dpdk-dev] [PATCH 2/3] net/bnxt: remove redundant code parsing pool_map Ajit Khaparde
2017-10-12 17:35 ` [dpdk-dev] [PATCH 3/3] net/bnxt: update HWRM API to 1.8.2 Ajit Khaparde
2017-10-20 19:28   ` Ferruh Yigit
2017-10-20 19:39   ` Ferruh Yigit
2017-10-24 21:19     ` [dpdk-dev] [PATCH v2 00/15] bnxt patchset Ajit Khaparde
2017-10-24 21:19       ` [dpdk-dev] [PATCH v2 01/15] net/bnxt: update HWRM to 1.8.2 Ajit Khaparde
2017-10-24 22:50         ` Ferruh Yigit
2017-10-24 21:19       ` [dpdk-dev] [PATCH v2 02/15] net/bnxt: fix tx_offload capability Ajit Khaparde
2017-10-24 21:19       ` [dpdk-dev] [PATCH v2 03/15] net/bnxt: fix rx_offload capability Ajit Khaparde
2017-10-24 21:19       ` Ajit Khaparde [this message]
2017-10-24 21:19       ` [dpdk-dev] [PATCH v2 05/15] net/bnxt: remove redundant code parsing pool_map Ajit Khaparde
2017-10-24 21:19       ` [dpdk-dev] [PATCH v2 06/15] net/bnxt: fix redirecting traffic to a VF Ajit Khaparde
2017-10-24 21:19       ` [dpdk-dev] [PATCH v2 07/15] net/bnxt: fix a bad bit shift operation Ajit Khaparde
2017-10-24 21:19       ` [dpdk-dev] [PATCH v2 08/15] net/bnxt: fix a null pointer dereference Ajit Khaparde
2017-10-24 21:19       ` [dpdk-dev] [PATCH v2 09/15] net/bnxt: fix an issue reported by Coverity Ajit Khaparde
2017-10-24 21:19       ` [dpdk-dev] [PATCH v2 10/15] net/bnxt: fix a potential null pointer dereference Ajit Khaparde
2017-10-24 21:19       ` [dpdk-dev] [PATCH v2 11/15] net/bnxt: fix a potential null poiner dereference Ajit Khaparde
2017-10-24 21:19       ` [dpdk-dev] [PATCH v2 12/15] net/bnxt: fix a null pointer deref Ajit Khaparde
2017-10-24 21:19       ` [dpdk-dev] [PATCH v2 13/15] net/bnxt: fix a pointer deref before null check Ajit Khaparde
2017-10-24 21:19       ` [dpdk-dev] [PATCH v2 14/15] net/bnxt: fix an issue reported by Coverity Ajit Khaparde
2017-10-24 21:19       ` [dpdk-dev] [PATCH v2 15/15] net/bnxt: check VLANs from pool_map only for VMDQ Ajit Khaparde
2017-10-24 22:49       ` [dpdk-dev] [PATCH v2 00/15] bnxt patchset Ferruh Yigit

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